about summary refs log tree commit diff
diff options
context:
space:
mode:
-rw-r--r--manual/platform.texi3
-rw-r--r--sysdeps/x86/bits/platform/x86.h2
-rw-r--r--sysdeps/x86/tst-get-cpu-features.c1
3 files changed, 5 insertions, 1 deletions
diff --git a/manual/platform.texi b/manual/platform.texi
index 2ab687cbba..b72518ebd8 100644
--- a/manual/platform.texi
+++ b/manual/platform.texi
@@ -407,6 +407,9 @@ the indirect branch predictor barrier (IBPB).
 @code{LAM} -- Linear Address Masking.
 
 @item
+@code{LBR} -- Architectural LBR.
+
+@item
 @code{LM} -- Long mode.
 
 @item
diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/x86.h
index 6d9dd6dacf..1040c2aed4 100644
--- a/sysdeps/x86/bits/platform/x86.h
+++ b/sysdeps/x86/bits/platform/x86.h
@@ -219,7 +219,7 @@ enum
   x86_cpu_TSXLDTRK		= x86_cpu_index_7_edx + 16,
   x86_cpu_INDEX_7_EDX_17	= x86_cpu_index_7_edx + 17,
   x86_cpu_PCONFIG		= x86_cpu_index_7_edx + 18,
-  x86_cpu_INDEX_7_EDX_19	= x86_cpu_index_7_edx + 19,
+  x86_cpu_LBR			= x86_cpu_index_7_edx + 19,
   x86_cpu_IBT			= x86_cpu_index_7_edx + 20,
   x86_cpu_INDEX_7_EDX_21	= x86_cpu_index_7_edx + 21,
   x86_cpu_AMX_BF16		= x86_cpu_index_7_edx + 22,
diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c
index 8b7e70aee1..cfc8692392 100644
--- a/sysdeps/x86/tst-get-cpu-features.c
+++ b/sysdeps/x86/tst-get-cpu-features.c
@@ -166,6 +166,7 @@ do_test (void)
   CHECK_CPU_FEATURE_PRESENT (SERIALIZE);
   CHECK_CPU_FEATURE_PRESENT (HYBRID);
   CHECK_CPU_FEATURE_PRESENT (TSXLDTRK);
+  CHECK_CPU_FEATURE_PRESENT (LBR);
   CHECK_CPU_FEATURE_PRESENT (PCONFIG);
   CHECK_CPU_FEATURE_PRESENT (IBT);
   CHECK_CPU_FEATURE_PRESENT (AMX_BF16);